Refers specifically to a dictionary that translates Japanese words into English. Common in both print and digital contexts.
I bought a new Japanese-English dictionary.
This Japanese-English dictionary has a lot of example sentences.
An English-Japanese dictionary, translating from English to Japanese, as opposed to 和英辞書 which goes from Japanese to English.
A Japanese-Japanese dictionary, providing definitions in Japanese, while 和英辞書 provides English translations.
Compound of 和 (wa, 'Japanese') + 英 (ei, 'English') + 辞書 (jisho, 'dictionary').